In a class of 30 students, A is ranked 10th from the top. What is A's rank from the bottom?

B. 20TH

If two students, Sarah and Tom, swap their ranks and Sarah is currently 8th from the top and Tom is 22nd from the bottom, how many students are there in total?

B. 29

F is ranked 8th from the top and 5th from the bottom in a group. How many people are there in total?

A. 12

In a class of 30 students, A is ranked 10th from the top. What is A's rank from the bottom?

B. 20TH

Alice is ranked 5th in a competition, and there are 20 participants. What is her rank from the bottom?

A. 16TH